Q: 54 (CDS-I/2013)

Which of the following gases in the atmosphere is/are responsible for acid rains ?
1, Oxides of sulphur
2, Oxides of nitrogen
3, Oxides of carbon

Select the correct answer using the code given below.
question_subject: 
Science
question_year: 
2013
question_exam: 
CDS-I
stats: 
0,1040,408,1080,56,8,304